Xnet (former eXgae) is a non-profit activist platform that develops and promotes alternative models for cultural dissemination and royalty management and work in different fields related to digital rights, networked democracy and freedom of expression.

The XNOR gate (sometimes ENOR, EXNOR or NXOR and pronounced as Exclusive NOR) is a digital logic gate whose function is the logical complement of the exclusive OR (XOR) gate.

XNU is the computer operating system kernel developed at Apple Inc. since December 1996 for use in the macOS operating system and released as free and open-source software as part of the Darwin operating system.

The X Games is an annual extreme sports event hosted, produced, and broadcast by ESPN. Coverage is also shown on ESPN's sister network, ABC.

XnView is an image organizer and general-purpose file manager used for viewing, converting, organizing and editing raster images, as well as general purpose file management.